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- Title
Energy transport experiments at Institute of Laser Engineering, Osaka University.
- Authors
Tanaka, K. A.; Kato, Y.; Nakai, S.; Shiraga, H.; Yabe, T.; Yamanaka, T.; Endo, T.; Kodama, R.; Yamanaka, C.
- Abstract
Emissions from the rear side of the targets were temporally resolved by irradiating an ultraviolet (UV) laser on Al and Au thin targets. A difference was clearly observed between the above two targets. Given the fact that absorbed laser energy is converted with a very high efficiency to soft x-rays in a high Z plasma, a characteristic emission peak only observed for Au targets was attributed to the effect of soft x-ray energy transport. The ablation pressures estimated from the emissions indicate that the pressure scaling for Au is close to the one by x-ray radiation rather than by a UV laser. With soft x-ray irradiation, energy transport in A1 foils was also studied. An ablation pressure was estimated by the shock speed.
- Publication
Laser & Particle Beams, 1989, Vol 7, Issue 3, p495
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/S0263034600007461